<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>表格的初识</title>
</head>
<body>
<!--table 表格 border 是显示线的，但是被废弃了-->
<!--tr是行-->
<!--td是列-->
<!--colspan向后合并列-->
<!--rowspan向下合并行-->
<table border="1">
  <tr>
    <td colspan="2">1.1</td>
    <td>1.2</td>
    <td>1.3</td>
  </tr>
  <tr>
    <td rowspan="2">2.1</td>
    <td>2.2</td>
    <td>2.3</td>
    <td>2.4</td>
  </tr>
  <tr>
    <td>3.1</td>
    <td>3.2</td>
    <td>3.3</td>
  </tr>
</table>
</body>
</html>